<!DCOTYPE html>
<html>
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,
    user-scalable=0,width=device-width,initial-scale=1.0"/>
    <title>webpack demo</title>
  </head>
  <body>
    <div id="app">

    </div>
    <div class="mask"></div>
  </body>
</html>
